:root {
  --paper: #f4f2ed;
  --paper-deep: #e8e4dc;
  --ink: #111417;
  --muted: #60666a;
  --line: rgba(17, 20, 23, 0.13);
  --signal: #e22f2b;
  --signal-dark: #bf201d;
  --navy: #14252d;
  --white: #fff;
  --mono: "IBM Plex Mono", monospace;
  --sans: "Manrope", sans-serif;
  --shadow: 0 22px 70px rgba(17, 20, 23, 0.13);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 110px;
}

body {
  margin: 0;
  overflow-x: clip;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image: radial-gradient(rgba(17, 20, 23, 0.055) 0.65px, transparent 0.65px);
  background-size: 9px 9px;
  content: "";
  pointer-events: none;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

button,
input,
textarea,
select {
  font: inherit;
}

h1,
h2,
h3,
p,
figure,
dl,
dd {
  margin: 0;
}

h1,
h2,
h3 {
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.container {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.section-pad {
  padding-block: 94px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 1000;
  padding: 10px 14px;
  color: var(--white);
  background: var(--ink);
  border-radius: 6px;
  transform: translateY(-160%);
  transition: transform 160ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--signal);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(244, 242, 237, 0.94);
  backdrop-filter: blur(16px);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 82px;
  gap: 32px;
}

.brand {
  flex: 0 0 auto;
  text-decoration: none;
}

.brand img,
.site-footer img {
  width: 172px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(16px, 2.2vw, 32px);
  font-size: 0.86rem;
  font-weight: 700;
}

.main-nav > a {
  position: relative;
  text-decoration: none;
}

.main-nav > a::after {
  position: absolute;
  right: 0;
  bottom: -8px;
  left: 0;
  height: 2px;
  background: var(--signal);
  content: "";
  transform: scaleX(0);
  transition: transform 160ms ease;
}

.main-nav > a:hover::after,
.main-nav > a[aria-current="page"]::after {
  transform: scaleX(1);
}

.language-switcher {
  display: inline-flex;
  gap: 3px;
  padding: 3px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.language-switcher a {
  display: grid;
  min-width: 35px;
  min-height: 31px;
  place-items: center;
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-decoration: none;
}

.language-switcher a[aria-current="page"] {
  color: var(--white);
  background: var(--ink);
}

.breadcrumbs {
  padding-block: 24px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 7px;
  color: rgba(17, 20, 23, 0.35);
  content: "/";
}

.breadcrumbs a {
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--signal-dark);
}

.eyebrow,
.section-label,
.card-category {
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.eyebrow span {
  width: 9px;
  height: 9px;
  background: var(--signal);
  border-radius: 50%;
  box-shadow: 0 0 0 6px rgba(226, 47, 43, 0.12);
}

.section-label {
  margin-bottom: 22px;
  color: var(--signal-dark);
}

.knowledge-hero,
.article-hero {
  padding: 54px 0 90px;
  border-bottom: 1px solid var(--line);
}

.knowledge-hero__grid,
.article-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.98fr);
  align-items: center;
  gap: clamp(50px, 8vw, 118px);
}

.knowledge-hero__grid > *,
.article-hero__grid > *,
.article-hero__copy {
  min-width: 0;
}

.knowledge-hero h1,
.article-hero h1 {
  max-width: 780px;
  margin-bottom: 30px;
  font-size: clamp(3.1rem, 6.2vw, 6.25rem);
  font-weight: 700;
  hyphens: auto;
  overflow-wrap: break-word;
}

.article-hero h1 {
  font-size: clamp(2.9rem, 5.5vw, 5.7rem);
}

.hero-lead {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(1.08rem, 1.5vw, 1.3rem);
  line-height: 1.7;
}

.hero-benefit {
  max-width: 720px;
  margin: 22px 0 0;
  padding: 14px 18px;
  border-left: 3px solid var(--signal);
  border-radius: 0 12px 12px 0;
  color: var(--ink);
  background: rgba(226, 47, 43, 0.07);
  font-weight: 650;
  line-height: 1.55;
}

.knowledge-hero__media,
.article-hero__media {
  position: relative;
  min-height: 480px;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.knowledge-hero__media::after,
.article-hero__media::after {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(255, 255, 255, 0.38);
  border-radius: inherit;
  content: "";
  pointer-events: none;
}

.knowledge-hero__media img,
.article-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 480px;
  padding: clamp(24px, 5vw, 68px);
  object-fit: contain;
}

.knowledge-featured {
  padding-bottom: 34px;
}

.knowledge-card {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.54);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.knowledge-card:hover {
  border-color: rgba(226, 47, 43, 0.45);
  box-shadow: 0 22px 46px rgba(17, 20, 23, 0.09);
  transform: translateY(-4px);
}

.knowledge-card--featured {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  min-height: 470px;
}

.knowledge-card__image {
  display: block;
  min-height: 260px;
  overflow: hidden;
  background: var(--white);
}

.knowledge-card__image img {
  width: 100%;
  height: 100%;
  padding: clamp(18px, 3vw, 38px);
  object-fit: contain;
  transition: transform 400ms ease;
}

.knowledge-card:hover .knowledge-card__image img {
  transform: scale(1.025);
}

.knowledge-card__copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: clamp(28px, 4.5vw, 58px);
}

.card-category {
  margin-bottom: 18px;
  color: var(--signal-dark);
}

.knowledge-card h2 {
  margin-bottom: 20px;
  font-size: clamp(1.65rem, 3vw, 2.9rem);
}

.knowledge-card h2 a,
.related-card h3 a {
  text-decoration: none;
}

.knowledge-card__copy > p:not(.card-category) {
  color: var(--muted);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
  padding-top: 24px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.7rem;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  color: var(--signal-dark);
  font-size: 0.83rem;
  font-weight: 800;
  text-decoration: none;
}

.card-link span {
  transition: transform 160ms ease;
}

.card-link:hover span {
  transform: translateX(5px);
}

.knowledge-list {
  padding-top: 64px;
}

.section-heading {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr);
  align-items: end;
  gap: 36px;
  margin-bottom: 42px;
}

.section-heading .section-label {
  margin-bottom: 6px;
}

.section-heading h2 {
  margin-bottom: 0;
  font-size: clamp(2.35rem, 5vw, 4.8rem);
}

.section-heading > div > p {
  max-width: 650px;
  margin: 17px 0 0;
  color: var(--muted);
}

.knowledge-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.knowledge-grid .knowledge-card {
  display: flex;
  flex-direction: column;
}

.knowledge-grid .knowledge-card__image {
  aspect-ratio: 16 / 10;
}

.knowledge-grid .knowledge-card__copy {
  flex: 1;
}

.article-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin: 38px 0 0;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.article-meta div {
  min-width: 0;
}

.article-meta dt {
  margin-bottom: 5px;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-meta dd {
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.45;
}

.article-layout {
  display: grid;
  grid-template-columns: 255px minmax(0, 760px);
  justify-content: center;
  gap: clamp(48px, 8vw, 112px);
  padding-block: 94px 120px;
}

.article-toc {
  position: sticky;
  top: 118px;
  align-self: start;
  padding: 24px;
  border-top: 3px solid var(--signal);
  background: rgba(255, 255, 255, 0.43);
}

.article-toc > p {
  margin-bottom: 16px;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.article-toc ol {
  display: grid;
  gap: 11px;
  margin: 0;
  padding-left: 20px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.article-toc a {
  text-decoration: none;
}

.article-toc a:hover {
  color: var(--signal-dark);
}

.article-section {
  scroll-margin-top: 118px;
}

.article-section + .article-section {
  margin-top: 76px;
  padding-top: 76px;
  border-top: 1px solid var(--line);
}

.article-section h2 {
  margin-bottom: 28px;
  font-size: clamp(2rem, 4vw, 3.25rem);
}

.article-section h3 {
  margin: 42px 0 16px;
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  letter-spacing: -0.025em;
}

.article-section p,
.article-section li {
  color: #30363a;
  font-size: 1.03rem;
}

.article-section p {
  margin-bottom: 24px;
}

.article-section ul,
.article-section ol {
  display: grid;
  gap: 10px;
  margin: 22px 0 30px;
  padding-left: 25px;
}

.article-section a {
  color: var(--signal-dark);
  font-weight: 700;
}

.article-section strong {
  color: var(--ink);
}

.article-section blockquote,
.knowledge-note,
.article-note,
.tip,
.note {
  margin: 34px 0;
  padding: 24px 26px;
  border-left: 4px solid var(--signal);
  background: rgba(255, 255, 255, 0.58);
}

.answer-box {
  margin: 32px 0;
  padding: 28px;
  color: var(--white);
  background: var(--navy);
  border-radius: 12px;
}

.answer-box p {
  color: inherit;
}

.answer-box strong {
  color: inherit;
}

.answer-box a {
  color: inherit;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.answer-box p:last-child {
  margin-bottom: 0;
}

.flow-diagram {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 9px;
  margin: 32px 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.55);
}

.flow-diagram span {
  padding: 9px 12px;
  border-radius: 6px;
  color: var(--ink);
  background: var(--white);
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
}

.flow-diagram b {
  color: var(--signal-dark);
}

.guide-table-wrap {
  width: 100%;
  margin: 34px 0;
  overflow-x: auto;
  border-radius: 8px;
  -webkit-overflow-scrolling: touch;
}

.article-section blockquote p:last-child,
.knowledge-note p:last-child,
.article-note p:last-child,
.tip p:last-child,
.note p:last-child {
  margin-bottom: 0;
}

.article-section table {
  display: block;
  width: 100%;
  margin: 34px 0;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.article-section .guide-table {
  display: table;
  min-width: 650px;
  margin: 0;
}

.decision-list li::marker {
  color: var(--signal-dark);
  font-weight: 800;
}

.decision-list {
  padding: 24px 24px 24px 48px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.5);
}

.article-note {
  border-radius: 0 10px 10px 0;
}

.article-section th,
.article-section td {
  min-width: 145px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.article-section th {
  color: var(--white);
  background: var(--navy);
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.article-section code {
  padding: 0.12em 0.36em;
  border-radius: 4px;
  background: rgba(17, 20, 23, 0.08);
  font-family: var(--mono);
  font-size: 0.9em;
}

.related-guides {
  border-top: 1px solid var(--line);
  background: rgba(232, 228, 220, 0.52);
}

.related-card {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  min-height: 230px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.56);
}

.related-card__image {
  overflow: hidden;
  background: var(--white);
}

.related-card__image img {
  width: 100%;
  height: 100%;
  padding: 20px;
  object-fit: contain;
}

.related-card > div {
  padding: 26px;
}

.related-card > div > p {
  margin-bottom: 11px;
  color: var(--signal-dark);
  font-family: var(--mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.related-card h3 {
  margin-bottom: 0;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
}

.knowledge-cta {
  color: var(--white);
  background: var(--navy);
}

.knowledge-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(300px, 0.9fr);
  gap: clamp(48px, 9vw, 130px);
  padding-block: 76px;
}

.knowledge-cta__inner > div:first-child > p {
  color: #ffb29e;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.knowledge-cta h2 {
  margin-bottom: 0;
  font-size: clamp(2.3rem, 4.7vw, 4.65rem);
}

.knowledge-cta__inner > div:last-child > p {
  color: rgba(255, 255, 255, 0.72);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 50px;
  padding: 13px 20px;
  border-radius: 7px;
  font-size: 0.8rem;
  font-weight: 800;
  text-decoration: none;
}

.button-light {
  color: var(--ink);
  background: var(--white);
}

.site-footer {
  padding-block: 58px;
  color: rgba(255, 255, 255, 0.7);
  background: var(--ink);
}

.footer-grid {
  display: grid;
  grid-template-columns: minmax(250px, 1.5fr) minmax(160px, 0.8fr) minmax(190px, 0.7fr);
  gap: 54px;
}

.site-footer img {
  margin-bottom: 18px;
  width: 192px;
  padding: 7px 10px;
  border-radius: 5px;
  background: var(--white);
}

.site-footer p {
  max-width: 410px;
  margin-bottom: 0;
  font-size: 0.83rem;
}

.site-footer nav,
.footer-contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.78rem;
}

.site-footer a {
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--white);
}

@media (max-width: 1000px) {
  .site-header__inner {
    min-height: 76px;
  }

  .main-nav {
    gap: 16px;
    font-size: 0.78rem;
  }

  .knowledge-hero__grid,
  .article-hero__grid {
    grid-template-columns: 1fr;
    gap: 46px;
  }

  .knowledge-hero__media,
  .article-hero__media,
  .knowledge-hero__media img,
  .article-hero__media img {
    min-height: 430px;
  }

  .article-layout {
    grid-template-columns: minmax(0, 760px);
  }

  .article-toc {
    position: static;
  }

  .related-card {
    grid-template-columns: 150px minmax(0, 1fr);
  }
}

@media (max-width: 780px) {
  .container {
    width: min(100% - 32px, 680px);
  }

  .section-pad {
    padding-block: 68px;
  }

  .site-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 13px;
    padding-block: 15px;
  }

  .brand img {
    width: 145px;
  }

  .main-nav {
    width: 100%;
    justify-content: flex-start;
    flex-wrap: wrap;
    row-gap: 14px;
  }

  .language-switcher {
    margin-left: auto;
  }

  .breadcrumbs {
    padding-block: 18px;
  }

  .knowledge-hero,
  .article-hero {
    padding: 35px 0 68px;
  }

  .knowledge-hero h1,
  .article-hero h1 {
    margin-bottom: 22px;
  }

  .knowledge-hero__media,
  .article-hero__media,
  .knowledge-hero__media img,
  .article-hero__media img {
    min-height: 340px;
  }

  .knowledge-card--featured,
  .knowledge-grid,
  .related-grid,
  .knowledge-cta__inner,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .knowledge-card--featured {
    min-height: 0;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .article-layout {
    padding-block: 68px 84px;
  }

  .article-meta {
    grid-template-columns: 1fr;
  }

  .related-card {
    grid-template-columns: 170px minmax(0, 1fr);
  }

  .knowledge-cta__inner {
    padding-block: 62px;
  }
}

@media (max-width: 520px) {
  html {
    scroll-padding-top: 165px;
  }

  .main-nav > a {
    font-size: 0.72rem;
  }

  .language-switcher {
    order: 5;
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    border: 0;
    padding: 0;
  }

  .knowledge-hero h1,
  .article-hero h1 {
    font-size: clamp(2.45rem, 12.5vw, 3.55rem);
  }

  .knowledge-hero__media,
  .article-hero__media,
  .knowledge-hero__media img,
  .article-hero__media img {
    min-height: 270px;
  }

  .knowledge-card__copy {
    padding: 25px;
  }

  .article-layout {
    gap: 44px;
  }

  .article-section + .article-section {
    margin-top: 54px;
    padding-top: 54px;
  }

  .article-section p,
  .article-section li {
    font-size: 0.98rem;
  }

  .answer-box,
  .article-note {
    padding: 21px;
  }

  .flow-diagram {
    align-items: stretch;
    flex-direction: column;
    padding: 18px;
    text-align: center;
  }

  .flow-diagram b {
    align-self: center;
    line-height: 1;
    transform: rotate(90deg);
  }

  .guide-table-wrap {
    margin-inline: -4px;
    width: calc(100% + 8px);
  }

  .decision-list {
    padding: 20px 18px 20px 40px;
  }

  .related-card {
    grid-template-columns: 1fr;
  }

  .related-card__image {
    aspect-ratio: 16 / 9;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .breadcrumbs,
  .article-toc,
  .related-guides,
  .knowledge-cta {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .article-hero,
  .article-layout {
    padding-block: 24px;
  }

  .article-hero__grid,
  .article-layout {
    display: block;
  }

  .article-hero__media {
    max-width: 500px;
    min-height: 0;
    margin-top: 24px;
    box-shadow: none;
  }

  .article-hero__media img {
    min-height: 0;
  }
}